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This discrepancy suggests neural mechanisms gating flicker perception. While functional magnetic resonance imaging studies have indicated the involvement of large\u2010scale frontal and parietal networks in conscious flicker perception, their low temporal resolution limits insights into the underlying dynamic interactions. Using electroencephalography and physically identical stimuli near the critical flicker\u2010fusion frequency, we investigated the temporal dynamics of phase synchrony and power distribution. Flicker perception was characterized by an early increase in higher beta\u2010band (19\u201328\u2009Hz) synchrony, followed by an increase in gamma\u2010band (29\u201348\u2009Hz) synchrony between fronto\u2010parietal and parieto\u2010occipital regions at approximately 300\u2009ms post\u2010stimulus. This was accompanied by a global expansion of gamma\u2010band power from occipital to fronto\u2010parietal areas\u2014effects not observed during fused perception. Conversely, alpha\u2010band (8\u201314\u2009Hz) synchrony between anterior and posterior regions showed a more pronounced reduction specifically during fusion. These findings suggest that frequency\u2010specific coordination and global information sharing across large\u2010scale networks may underlie conscious flicker perception. The emergence of broad gamma\u2010band synchrony at around 300\u2009ms may reflect the integration of local sensory signals into distributed cortical networks. Early beta\u2010band synchrony may facilitate the initiation of this process through top\u2010down modulation, whereas attenuated alpha\u2010band synchrony during fusion may reflect insufficient engagement of these networks. Such dynamic interplay within distributed networks is suggested to be involved in shaping the temporal resolution of visual awareness.<\/jats:p>","DOI":"10.1111\/ejn.70704","type":"journal-article","created":{"date-parts":[[2026,10,4]],"date-time":"2026-10-04T23:20:50Z","timestamp":1791156050000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dynamic Phase Synchrony in Cortical Networks Underlying Conscious Awareness of Flicker"],"prefix":"10.1111","volume":"64","author":[{"given":"Yusuke","family":"Uchiyama","sequence":"first","affiliation":[{"name":"Department of Physiology Dokkyo Medical University  Mibu Tochigi Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1761-6915","authenticated-orcid":false,"given":"Toshimitsu","family":"Takahashi","sequence":"additional","affiliation":[{"name":"Department of Physiology Dokkyo Medical University  Mibu Tochigi 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